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港珠澳大桥珠海连接线
拱北隧道工程 施工质量检验评定标准
（试行稿）
2014年3月
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目 录
1总则 ............................................................................................................................ 5
1.1目的 ........................................................................................................... 5 1.2适用范围 ................................................................................................... 5 1.3工程质量管理 ........................................................................................... 6 1.4编制原则及依据 ....................................................................................... 6 2.1 拱北隧道和人工岛工程单位、分部、分项工程划分 .......................... 8 2.2工程质量评分 ........................................................................................... 8 2.3工程质量等级评定 ................................................................................. 11
3隧道工程 .................................................................................................................. 12
3.1总体 ......................................................................................................... 12
3.1.1隧道总体 ....................................................................................... 12 3.1.2工作井总体 ................................................................................... 13 3.2排水工程 ................................................................................................. 13
3.2.1临时排水工程 ............................................................................... 13 3.2.2排水沟 ........................................................................................... 14 3.2.3排水泵房 ....................................................................................... 15 3.2.4伸缩缝式截水沟 ........................................................................... 15 3.2.5变形缝排水 ................................................................................... 16 3.3围护结构 ................................................................................................. 16
3.3.1 SMW工法桩 ................................................................................. 16 3.3.2钢板桩 ........................................................................................... 17 3.3.3地下连续墙 ................................................................................... 18 3.3.4高压旋喷桩 ................................................................................... 20 3.3.5水泥搅拌桩 ................................................................................... 21 3.3.6注浆加固 ....................................................................................... 22 3.3.7冠梁、顶框架、围檩 ................................................................... 22
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3.4基坑开挖 ................................................................................................. 23 3.5 防水工程 ................................................................................................ 24
3.5.1卷材防水层 ................................................................................... 24 3.5.2聚氨酯防水层 ............................................................................... 25 3.5.3水泥基渗透结晶防水层 ............................................................... 25 3.5.4止水带 ........................................................................................... 26 3.5.5遇水膨胀止水条 ........................................................................... 27 3.5.6混凝土垫层 ................................................................................... 27 3.5.7混凝土保护层 ............................................................................... 27 3.5.8水泥砂浆找平层 ........................................................................... 27 3.5.9聚硫双组份密封胶 ....................................................................... 28 3.5.10沥青木丝板 ................................................................................. 28 3.5.11钢板止水带 ................................................................................. 29 3.6 主体结构 ................................................................................................ 29
3.6.1钢筋工程 ....................................................................................... 29 3.6.2混凝土工程 ................................................................................... 30 3.6.3抗拔桩 ........................................................................................... 32 3.6.4立柱桩 ........................................................................................... 34 3.6.5清水混凝土钢筋工程 ................................................................... 35 3.6.6清水混凝土工程 ........................................................................... 35 3.7 洞口工程 ................................................................................................ 37 3.8 洞身开挖 ................................................................................................ 38 3.9 洞身衬砌 ................................................................................................ 38
3.9.1喷射混凝土支护 ........................................................................... 38 3.9.2钢筋网支护 ................................................................................... 39 3.9.3钢架支护 ....................................................................................... 40 3.9.4仰拱 ............................................................................................... 41 3.9.5衬砌钢筋 ....................................................................................... 41 3.9.6混凝土衬砌 ................................................................................... 42
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3.10 隧道路面 .............................................................................................. 43
3.10.1钢筋加工及安装 ......................................................................... 43 3.10.2混凝土面板 ................................................................................. 43 3.11 基坑回填 .............................................................................................. 45 3.12 附属工程 .............................................................................................. 46
3.12.1电缆沟 ......................................................................................... 46 3.12.2逃生通道、楼梯、泵房工程 ..................................................... 47 3.12.3防火门工程 ................................................................................. 47 3.13 装修 ...................................................................................................... 48
3.13.1防火涂料喷涂工程 ..................................................................... 48 3.13.2防火板、饰面板安装工程 ......................................................... 49 3.14 辅助施工措施 ...................................................................................... 50
3.14.1曲线管幕超前支护 ..................................................................... 50 3.14.2冻结止水防护 ............................................................................. 53 3.14.3洞内注浆加固 ............................................................................. 53
4人工岛工程 .............................................................................................................. 54
4.1总体 ......................................................................................................... 54
4.1.1护岸工程 ....................................................................................... 54 4.1.2地基处理 ....................................................................................... 55 4.2基础 ......................................................................................................... 55
4.2.1基槽开挖 ....................................................................................... 55 4.3陆域形成及软基处理 ............................................................................. 56
4.3.1抛填中粗砂 ................................................................................... 56 4.3.2中粗砂振冲密实 ........................................................................... 57 4.3.3碾压密实 ....................................................................................... 57 4.3.4砂桩 ............................................................................................... 58 4.4堤身 ......................................................................................................... 58
4.4.1填筑护岸块石 ............................................................................... 58 4.4.2回填中粗砂 ................................................................................... 59
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4.4.3填筑护坦、护面、护脚块石 ....................................................... 60 4.4.4填筑护岸棱体块石 ....................................................................... 60 4.4.5填筑块石、二片石、碎石垫层 ................................................... 61 4.4.6填筑混合倒滤层 ........................................................................... 61 4.4.7铺设土工布 ................................................................................... 62 4.4.8 抛石挤淤 ...................................................................................... 63 4.4.9 土工格栅 ...................................................................................... 63 4.5护面 ......................................................................................................... 64
4.5.1栅栏板预制 ................................................................................... 64 4.5.2栅栏板安装 ................................................................................... 66 4.5.3生态袋坡面绿化 ........................................................................... 66 4.5.4块石理坡 ....................................................................................... 67 4.6上部结构 ................................................................................................. 67
4.6.1现浇混凝土挡浪墙块体 ............................................................... 67 4.6.2护栏安装 ....................................................................................... 68 4.6.3变形缝 ........................................................................................... 69 4.6.4 路缘石 .......................................................................................... 70 4.7附属设施 ................................................................................................. 71
4.7.1排水沟 ........................................................................................... 71 4.7.2沉砂井 ........................................................................................... 71 4.7.3排水口 ........................................................................................... 71
附录A：港珠澳大桥珠海连接线工程单元结构划分 ............................................. 73 附录B：拱北隧道与人工岛工程单位、分部、分项工程划分明细表 ................. 74
隧道工程施工质量检验评定标准(附多表)
